Slide 107 (detailed flow balance equations) Doesnt p_i * l_i = p_(i+1) * m_(i+1) i>=0 Imply p_i * m_i = p_(i-1) * l_(i-1) i>=1 ? And dont the (fairly) complicated lower/upper bounds of the sums/products on slides 108-110 become much simpler if you do the more standard thing of defining p_0 and p_(k+1) instead of p_0 and p_k? Have I missed something? -- sam